Orono, ME -- U.S. Census Designated Place in Maine Population (2000): 8253 Housing Units (2000): 2472 Land area (2000): 7.283418 sq. miles (18.863964 sq. km) Water area (2000): 0.793214 sq. miles (2.054415 sq. km) Total area (2000): 8.076632 sq. miles (20.918379 sq. km) FIPS code: 55575 Located within: Maine (ME), FIPS 23 Location: 44.888769 N, 68.671153 W ZIP Codes (1990): 04473 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Orono, ME Orono